Variable gradient device



May 7, 1963 J. ISREELI VARIABLE GRADENT DEvcE Fi1ed oct' S 1960 2 sheetssheat 2 

9. A VARIABLE GRADIENT DEVICE, COMPRISING A SUPPORTING BASE HAVING MEANS FOR ADJUSTING SAID BASE INTO A HORIZONTAL POSITION, A COLUMN EXTENDING VERTICALLY UPWARDLY FROM SAID BASE, MEANS CONNECTED TO SAID COLUMN FOR SUPPORTING A PLURALITY OF VERTICAL OPEN TOP CHAMBERS ARRANGED LATERALLY OF EACH OTHER AND CONNECTED IN FLUID FLOW COMMUNICATION WITH EACH OTHER, SAID CHAMBER SUPPORTING MEANS COMPRISING THREE HORIZONTAL MEMBERS SPACED VERTICALLY FROM EACH OTHER, THE LOWEST MEMBER OF SAID HORIZONTAL MEMBERS HAVING A FLAT HORIZONTAL UPPER SURFACE FOR ENGAGING A PORTION ONLY OF THE LOWER END OF EACH OF SAID CHAMBERS, AND SAID OTHER MEMBERS HAVING PARTS THEREOF FOR ENGAGING VERTICALLY SPACED PORTIONS, RESPECTIVELY, OF THE SIDE WALL OF EACH OF SAID CHAMBERS, WHEREBY EACH OF SAID CHAMBERS IS SUPPORTED BY ENGAGEMENT OF THREE VERTICALLY SPACED PORTIONS THEREOF BY SAID SUPPORTING MEANS, MIXER MEANS REMOVABLY MOUNTED ON SAID OPEN ENDED CHAMBERS FOR STIRRING THE LIQUIDS THEREIN, SAID MIXER MEANS HAVING STIRRING MEMBERS FOR EXTENDING THROUGH SAID OPEN TOPS INTO SAID CHAMBERS IN SAID MOUNTED CONDITION OF SAID MIXER MEANS, AND COOPERATING MEANS ON SAID MIXER MEANS AND SAID CHAMBER SUPPORTING MEANS FOR PREDETERMINING THE POSITION OF SAID MIXER MEANS ON SAID CHAMBERS COMPRISING A PLURALITY OF PINS EXTENDING FROM SAID MIXER MEANS AND A PLURALITY OF CORRESPONDING HOLES FOR SAID PINS PROVIDED IN SAID OTHER MEMBERS. 